OpenModelica newInst-daeMode from 2026-06-12 19:01:08 to 2026-06-15 03:06:31

Summary

OMC Commits3
Libraries Changed0
Number of Improvements25
Number of Regressions1
Number of Performance Improvements0
Number of Performance Regressions5

OpenModelica Changes

CommitDateAuthorSummary
081ba7eca22026-06-12 23:55:04 +0200Adrian Pop[BackEnd] Tearing: only force degree-1 $START vars when actually singular (#15433) (#15836)
b4833fb10c2026-06-12 21:30:12 +0200Martin Sjölund[NB] Fix symbolic differentiation losing derivative function bodies (#15834)
c62759fd852026-06-12 20:54:20 +0200Martin Sjölund[BackEnd] Fail getWhenEquationExpr instead of returning uninitialized outputs (#15835)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
d357aff2026-06-12 13:26:07 +0200AndreasFix OMSimulator submodule update when directory layout changes (#287)
12a01782026-06-06 12:43:09 +0200Adrian Popdrop v1.25 and add v1.27 (#286)

Library Changes

LibraryChange

Models Affected

OpenIPSLOpenIPSL.Examples.Tutorial.Example_4.Experiments.SMIB (sim)Compile → Simulate
OpenIPSLOpenIPSL.Tests.Controls.PSSE.ES.ESST1A (sim)Compile → Simulate
OpenIPSLOpenIPSL.Tests.Controls.PSSE.ES.EXNI (sim)Compile → Simulate
OpenIPSLOpenIPSL.Tests.Controls.PSSE.ES.SCRX (sim)Compile → Simulate
OpenIPSLOpenIPSL.Tests.Controls.PSSE.PSS.IEEEST (sim)Compile → Simulate
OpenIPSLOpenIPSL.Tests.Controls.PSSE.PSS.PSS2B (sim)Compile → Simulate
OpenIPSLOpenIPSL.Tests.Controls.PSSE.TG.IEESGO (sim)Compile → Simulate
OpenIPSL_2.0.0OpenIPSL.Examples.DAEMode.N44_Base_Case_Systems.Nordic44_Base_Case_StateEvents (sim)BackEnd performance 23.20 → 53.46
OpenIPSL_2.0.0OpenIPSL.Examples.DAEMode.N44_Base_Case_Systems.Nordic44_Base_Case_StateEvents2 (sim)BackEnd performance 26.76 → 52.22
OpenIPSL_2.0.0OpenIPSL.Examples.DAEMode.N44_Base_Case_Systems.Nordic44_Base_Case_StateEvents3 (sim)BackEnd performance 21.15 → 48.52
OpenIPSL_2.0.0OpenIPSL.Examples.RaPIdExperiments.Mostar (sim)Compile → Simulate
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSSE.ES.ESST1A (sim)Compile → Simulate
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSSE.ES.ESST4B (sim)Compile → Simulate
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSSE.ES.EXNI (sim)Compile → Simulate
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSSE.ES.EXST1 (sim)Compile → Simulate
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSSE.ES.SCRX (sim)Compile → Simulate
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSSE.ES.ST5B (sim)Compile → Simulate
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSSE.ES.URST5T (sim)Compile → Simulate
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSSE.PSS.IEEEST (sim)Compile → Simulate
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSSE.PSS.PSS2B (sim)Compile → Simulate
OpenIPSL_2.0.0OpenIPSL.Tests.Controls.PSSE.TG.IEESGO (sim)Compile → Simulate
OpenIPSL_devOpenIPSL.Examples.Tutorial.Example_4.Experiments.SMIB (sim)Compile → Simulate
OpenIPSL_devOpenIPSL.Tests.Controls.PSSE.ES.ESST1A (sim)Compile → Simulate
OpenIPSL_devOpenIPSL.Tests.Controls.PSSE.ES.EXNI (sim)Compile → Simulate
OpenIPSL_devOpenIPSL.Tests.Controls.PSSE.ES.SCRX (sim)Compile → Simulate
OpenIPSL_devOpenIPSL.Tests.Controls.PSSE.PSS.IEEEST (sim)Compile → Simulate
OpenIPSL_devOpenIPSL.Tests.Controls.PSSE.PSS.PSS2B (sim)Compile → Simulate
OpenIPSL_devOpenIPSL.Tests.Controls.PSSE.TG.IEESGO (sim)Compile → Simulate
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapNoEv_N_6_M_4 (sim)Simulate performance 10.72 → 23.39
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_112_M_112 (sim)Verify → Failed
ScalableTestSuite_nooptScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)Simulate performance 16.01 → 30.43